EP4007611A4 - A method of preparing a radioactive yttrium phosphate particle suspension - Google Patents

A method of preparing a radioactive yttrium phosphate particle suspension Download PDF

Info

Publication number
EP4007611A4
EP4007611A4 EP20834229.5A EP20834229A EP4007611A4 EP 4007611 A4 EP4007611 A4 EP 4007611A4 EP 20834229 A EP20834229 A EP 20834229A EP 4007611 A4 EP4007611 A4 EP 4007611A4
Authority
EP
European Patent Office
Prior art keywords
preparing
particle suspension
phosphate particle
yttrium phosphate
radioactive yttrium
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20834229.5A
Other languages
German (de)
French (fr)
Other versions
EP4007611A1 (en
Inventor
Michael KORENKO
David SWANBERG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivos Inc
Original Assignee
Vivos Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivos Inc filed Critical Vivos Inc
Publication of EP4007611A1 publication Critical patent/EP4007611A1/en
Publication of EP4007611A4 publication Critical patent/EP4007611A4/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
    • A61K51/12—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules
    • A61K51/1241—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules particles, powders, lyophilizates, adsorbates, e.g. polymers or resins for adsorption or ion-exchange resins
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
    • A61K51/02—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by the carrier, i.e. characterised by the agent or material covalently linked or complexing the radioactive nucleus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K51/00—Preparations containing radioactive substances for use in therapy or testing in vivo
    • A61K51/12—Preparations containing radioactive substances for use in therapy or testing in vivo characterised by a special physical form, e.g. emulsion, microcapsules, liposomes, characterized by a special physical form, e.g. emulsions, dispersions, microcapsules
    • A61K51/1217—Dispersions, suspensions, colloids, emulsions, e.g. perfluorinated emulsion, sols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (AREA)
  • Epidemiology (AREA)
  • Physics & Mathematics (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Organic Chemistry (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicinal Preparation (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
EP20834229.5A 2019-07-01 2020-06-02 A method of preparing a radioactive yttrium phosphate particle suspension Pending EP4007611A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16/459,466 US11478557B2 (en) 2019-07-01 2019-07-01 Method of preparing a radioactive yttrium phosphate particle suspension
PCT/US2020/035733 WO2021002994A1 (en) 2019-07-01 2020-06-02 A method of preparing a radioactive yttrium phosphate particle suspension

Publications (2)

Publication Number Publication Date
EP4007611A1 EP4007611A1 (en) 2022-06-08
EP4007611A4 true EP4007611A4 (en) 2023-11-01

Family

ID=74065467

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20834229.5A Pending EP4007611A4 (en) 2019-07-01 2020-06-02 A method of preparing a radioactive yttrium phosphate particle suspension

Country Status (9)

Country Link
US (2) US11478557B2 (en)
EP (1) EP4007611A4 (en)
JP (1) JP2022539437A (en)
KR (1) KR20220097379A (en)
CN (1) CN114828898A (en)
AU (1) AU2020299138A1 (en)
BR (1) BR112022002358A2 (en)
CA (1) CA3149512A1 (en)
WO (1) WO2021002994A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2022436875A1 (en) * 2022-01-15 2024-08-29 Vivos, Inc., d/b/a Advanced Medical Isotope Corporation Radiotherapy gel and method of preparing the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102530904A (en) * 2011-12-17 2012-07-04 赣州虔东稀土集团股份有限公司 Preparation method of crystalline high-purity rare earth phosphate with controllable granularity
CN104692350A (en) * 2014-12-24 2015-06-10 中国科学院地球化学研究所 Method for hydrothermally synthesizing yttrium phosphate nanosphere by using rich CO2

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939039A (en) * 1997-01-16 1999-08-17 Orthovita, Inc. Methods for production of calcium phosphate
US20040228794A1 (en) * 1998-04-10 2004-11-18 Battelle Memorial Institute Therapeutic agent carrier compositions
US6296831B1 (en) * 1998-04-10 2001-10-02 Battelle Memorial Institute Stimulus sensitive gel with radioisotope and methods of making
US20080214414A1 (en) * 2005-07-22 2008-09-04 Arkema Inc. Organosulfonyl Latent Acids for Petroleum Well Acidizing
US8821364B2 (en) * 2008-09-02 2014-09-02 Battelle Memorial Institute Brachytherapy seed with fast dissolving matrix for optimal delivery of radionuclides to cancer tissue
JP5859366B2 (en) * 2011-09-06 2016-02-10 三井金属鉱業株式会社 Exhaust gas purification catalyst and exhaust gas purification catalyst structure
US10967361B2 (en) * 2017-03-31 2021-04-06 Academia Sinica Carbon doped tin disulphide and methods for synthesizing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102530904A (en) * 2011-12-17 2012-07-04 赣州虔东稀土集团股份有限公司 Preparation method of crystalline high-purity rare earth phosphate with controllable granularity
CN104692350A (en) * 2014-12-24 2015-06-10 中国科学院地球化学研究所 Method for hydrothermally synthesizing yttrium phosphate nanosphere by using rich CO2

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MAJEED SHAFQUAT ET AL: "Dispersible crystalline nanobundles of YPO4and Ln (Eu, Tb)-doped YPO4: rapid synthesis, optical properties and bio-probe applications", JOURNAL OF NANOPARTICLE RESEARCH, vol. 17, no. 7, 16 July 2015 (2015-07-16), pages 1 - 15, XP035526460, ISSN: 1388-0764, [retrieved on 20150716], DOI: 10.1007/S11051-015-3113-3 *
See also references of WO2021002994A1 *
VANETSEV A S ET AL: "Phase composition and morphology of nanoparticles of yttrium orthophosphates synthesized by microwave-hydrothermal treatment: The influence of synthetic conditions", JOURNAL OF ALLOYS AND COMPOUNDS, vol. 639, 20 March 2015 (2015-03-20), pages 415 - 421, XP029156848, ISSN: 0925-8388, DOI: 10.1016/J.JALLCOM.2015.03.125 *

Also Published As

Publication number Publication date
BR112022002358A2 (en) 2022-06-07
US11478557B2 (en) 2022-10-25
CN114828898A (en) 2022-07-29
KR20220097379A (en) 2022-07-07
CA3149512A1 (en) 2021-01-07
EP4007611A1 (en) 2022-06-08
AU2020299138A1 (en) 2022-02-24
US20220288242A1 (en) 2022-09-15
WO2021002994A1 (en) 2021-01-07
JP2022539437A (en) 2022-09-08
US20210000987A1 (en) 2021-01-07

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